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Round|Lab Grown|IGI

6.38ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG624437508

Shape and cutting style on the report: Round brilliant

Certificate IGI LG624437508

Diamond specifications and retailer prices

From $10,192 USD
As of October 29, 2026
Save $38,607 USD (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $48,799 USD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 6.38ct lab-grown round diamond

This 6.38ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG624437508 or 624437508. Listed at 25 retailers as of October 29, 2026, with prices from $10,192 to $48,799, a $38,607 spread on the same certified stone. Michael Trio lists it at $48,799. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.38
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624437508
Dimensions11.86 × 11.78 × 7.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.86 mm11.78 mm6.38 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624437508
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $48,799 USD|Low: $10,192 USD|High: $48,799 USD|Avg: $19,986 USD
Michael Trio
Retailer 2
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October 31, 2026
Retailer 3$10,192 USD
Retailer 22$10,600 USD
Retailer 5$10,870 USD
Retailer 6$11,551 USD
Retailer 16$11,680 USD
Retailer 7$11,823 USD
Retailer 4$12,231 USD
Retailer 9$12,620 USD
Retailer 8$12,740 USD
Retailer 11$13,114 USD
Retailer 19$13,991 USD
Retailer 13$15,473 USD
Retailer 17$17,170 USD
Retailer 20$20,141 USD
Retailer 14$21,625 USD
Retailer 2$22,025 USD
Retailer 21$24,673 USD
Retailer 18$25,253 USD
Retailer 10$25,654 USD
Retailer 12$32,537 USD
Retailer 15$45,660 USD
Michael Trio$48,799 USD

29 data points across 22 retailers

25 retailers$10,192 USD to $48,799 USD

A
Cheapest Retailer
-
$10,192 USD
A
Retailer 2
-
$10,352 USD
View
A
Retailer 3
-
$10,600 USD
View
Retailer 4
-
$10,870 USD
View
Price last confirmed 13 days ago
Retailer 5
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$11,551 USD
£9,095 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
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$11,680 USD
View
A
Retailer 7
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$11,823 USD
View
A
Retailer 8
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$12,231 USD
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A
Retailer 9
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$12,620 USD
View
A
Retailer 10
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$12,740 USD
View
A
Retailer 11
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$13,114 USD
View
A
Retailer 12
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$13,991 USD
View
Final sale: no returns
A
Retailer 13
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$15,473 USD
£12,184 GBP
View
A
Retailer 14
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$17,170 USD
View
B+
Retailer 15
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$20,141 USD
£15,859 GBP
View
B+
Retailer 16
-
$21,625 USD
View
B+
Retailer 17
-
$22,025 USD
€20,976 EUR
View
Retailer 18
-
$24,673 USD
A$37,958 AUD
View
Price last confirmed 8 days ago
B+
Retailer 19
-
$25,253 USD
ZAR 407,972 ZAR
View
Retailer 20
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$25,654 USD
A$39,468 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
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$32,537 USD
View
B
Retailer 22
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$36,213 USD
View
B
Retailer 23
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$38,643 USD
View
B
Retailer 24
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$45,660 USD
View
Most Expensive
B
Michael Trio
5103558840 · Oct 31
$48,799 USD
SGD 65,945 SGD
View
24 more retailers have this diamond
Prices start from $10,192 USDSave up to $38,607 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.38ct Round
$10,192 USD